From unseasonal warmth back to deep freeze

The National Weather Service is calling for more challenging weather conditions in the coming days as extreme cold replaces the unseasonable warmth of today in the Northeast.

The forecast is for an overnight low of around 12 degrees with a chance of rain before midnight then a slight chance of snow between midnight and 4 a.m. Wind chill values are expected to be as low as -1 with a west wind between 13 and 20 mph, with gusts as high as 31 mph.

Tuesday is expected to be mostly sunny, but with a high near 16 and wind chill as low as minus 5 with a west wind of 18 to 21 mph and gusts to 36 mph.

The temperature Tuesday night is expected to dip to single digits with a wind chill of minus 6 and a west wind between 14 and 18 mph and gusts as high as 32 mph.

Wednesday should be mostly sunny, with a high near 25 and a west wind around 14 mph.